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1、個性化教學教案學生姓名:年級小六授課時間教師姓名課時課題復習簡便計算教學目標掌握簡便運算的方法重點掌握簡便運算的方法難點掌握簡便運算的方法11111、???......?1?22?33?42010?20111111111112、++++++++26122030425672907367373、×+×+×29829122991/5個性化教學教案1111114、????.......??5?88?1111?1414?1795?9898?101333335、????.......?2?44?66?88?1098?100111116、????.......?1?2
2、?32?3?43?4?54?5?68?9?101111111117、++++++++2481632641282565122/5個性化教學教案1?2?2?4?3?6?4?8?5?10?6?12?7?148、2?3?4?6?6?9?8?12?10?15?12?18?14?21459、3?1234?6666??543.2?385311111110、1?2?3?4?......?20261220420111111、???......1?2?3?42?3?4?53?4?5?67?8?9?101/(1×2×3×4)+1/(2×3×4×5)+1/(3×4×5×6)+.
3、..+1/(7×8×9×10)=(1/3)×[1/(1×2×3)-1/(2×3×4)]+(1/3)×[1/(2×3×4)-1/(3×4×5)]+(1/3)×[1/(3×4×5)-1/(4×5×6)]+...+(1/3)×[1/(7×8×9)-1/(8×9×10)]=(1/3)×[1/(1×2×3)-1/(2×3×4)+1/(2×3×4)-1/(3×4×5)+1/(3×4×5)-1/(4×5×6)+...+1/(7×8×9)-1/(8×9×10)]=(1/3)×[1/(1×2×3)-1/(8×9×10)]=(1/3)×[(1/6)-(1/720)]=(1/
4、3)×(119/720)3/5個性化教學教案=119/2160?1111??1111??11111??111?????????????????????????2345??3456??23456??345?僅供參考:(1+1/2+1/3+1/4+1/5)*(1/2+1/3+1/+1/5+1/6)-(1+1/2+1/3+1/4+1/5+1/6)*(1/2+1/3+1/4+1/5)設(shè)1+1/2+1/3+1/4+1/5=a1/2+1/3+1/4+1/5=b(1+1/2+1/3+1/4+1/5)*(1/2+1/3+1/4+1/5+1/6)-(1+1/2+1/3+1
5、/4+1/5+1/6)*(1/2+1/3+1/4+1/5)=a*(b+1/6)-(a+1/6)*b=1/6(a-b)=1/6?1111??1111??11111??111?12、????????????????????????891011??9101112??89101112??91011?13、81.5?15.8?81.5?51.8?67.6?18.517911131514、1-+-+-312203042564/3-7/12+9/20-11/30+13/42-15/56=(1+1/3)-(1/3+1/4)+(1/4-1/5)-(1/5+1/6)+(1/
6、6+1/7)-(1/7+1/8)=1-1/8=7/84/5個性化教學教案1?53?15、??4.85??3.6?6.15?3?4?185?1?2?3?3?6?9?7?14?2116、1?3?5?3?9?15?7?21?351+3+5+7+9+11............+199=(1+199)*100/2=200*100/2=100001?3?5?7?......?19917、2?4?6?8?......?200(1x2x3+3x6x9+7x14x21)/(1x3x5+3x9x15+7x21x35)=3(1×2+6×9+7×14×7)/3(1×5+9×1
7、5+7×7×35)=(1×2+6×9+7×14×7)/(1×5+9×15+7×7×35)=14(4+7×7)/5(1+3×9+7×7×7)=14×53/5×7(4+7×7)=14×53/35×53=14/35418、2?23.4?11.1?57.6?6.54?2855/5個性化教學教案51525619、?????61391318136/5